From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/lib/strrchr.S | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 arch/arm/lib/strrchr.S (limited to 'arch/arm/lib/strrchr.S') diff --git a/arch/arm/lib/strrchr.S b/arch/arm/lib/strrchr.S new file mode 100644 index 000000000..5e87247d1 --- /dev/null +++ b/arch/arm/lib/strrchr.S @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/arch/arm/lib/strrchr.S + * + * Copyright (C) 1995-2000 Russell King + * + * ASM optimised string functions + */ +#include +#include + + .text + .align 5 +ENTRY(strrchr) + mov r3, #0 +1: ldrb r2, [r0], #1 + teq r2, r1 + subeq r3, r0, #1 + teq r2, #0 + bne 1b + mov r0, r3 + ret lr +ENDPROC(strrchr) -- cgit v1.2.3